diff --git a/DCC.cpp b/DCC.cpp
index 36d91fb..a8bc953 100644
--- a/DCC.cpp
+++ b/DCC.cpp
@@ -219,8 +219,9 @@ bool DCC::setFn( int cab, int16_t functionNumber, bool on) {
   } else {
       speedTable[reg].functions &= ~funcmask;
   }
-  if (speedTable[reg].functions != previous && functionNumber <= 28) {
-    updateGroupflags(speedTable[reg].groupFlags, functionNumber);
+  if (speedTable[reg].functions != previous) {
+    if (functionNumber <= 28)
+      updateGroupflags(speedTable[reg].groupFlags, functionNumber);
     CommandDistributor::broadcastLoco(reg);
   }
   return true;
@@ -235,8 +236,8 @@ void DCC::changeFn( int cab, int16_t functionNumber) {
   speedTable[reg].functions ^= funcmask;
   if (functionNumber <= 28) {
     updateGroupflags(speedTable[reg].groupFlags, functionNumber);
-    CommandDistributor::broadcastLoco(reg);
   }
+  CommandDistributor::broadcastLoco(reg);
 }
 
 // Report function state (used from withrottle protocol)
diff --git a/WiThrottle.cpp b/WiThrottle.cpp
index 3e712b3..f3d9253 100644
--- a/WiThrottle.cpp
+++ b/WiThrottle.cpp
@@ -571,7 +571,7 @@ void WiThrottle::sendRoutes(Print* stream) {
 
 void WiThrottle::sendFunctions(Print* stream, byte loco) {
   int16_t locoid=myLocos[loco].cab;
-  int fkeys=29;
+  int fkeys=32; // upper limit (send functions 0 to 31)
 	myLocos[loco].functionToggles=1<<2; // F2 (HORN)  is a non-toggle
         
 #ifdef EXRAIL_ACTIVE